org.apache.tika.metadata.serialization

Class JsonMetadataSerializer

java.lang.Object

org.apache.tika.metadata.serialization.JsonMetadataSerializer

All Implemented Interfaces:

com.google.gson.JsonSerializer<org.apache.tika.metadata.Metadata>

public class JsonMetadataSerializer
extends Object
implements com.google.gson.JsonSerializer<org.apache.tika.metadata.Metadata>

Serializer for Metadata If overriding this, remember that this is called from a static context. Share state only with great caution.

Constructor Summary

Constructors

Constructor and Description
JsonMetadataSerializer()

Method Summary

Modifier and Type	Method and Description
protected String[]	getNames(org.apache.tika.metadata.Metadata metadata) Override to get a custom sort order or to filter names.
com.google.gson.JsonElement	serialize(org.apache.tika.metadata.Metadata metadata, Type type, com.google.gson.JsonSerializationContext context) Serializes a Metadata object into effectively Map.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

JsonMetadataSerializer

public JsonMetadataSerializer()

Method Detail

serialize

public com.google.gson.JsonElement serialize(org.apache.tika.metadata.Metadata metadata,
                                             Type type,
                                             com.google.gson.JsonSerializationContext context)

Serializes a Metadata object into effectively Map.

Specified by:

serialize in interface com.google.gson.JsonSerializer<org.apache.tika.metadata.Metadata>

Parameters:

metadata - object to serialize

type - (ignored)

context - (ignored)

Returns:

JsonElement with key/value(s) pairs or JsonNull if metadata is null.

getNames

protected String[] getNames(org.apache.tika.metadata.Metadata metadata)

Override to get a custom sort order or to filter names.

Parameters:

metadata - metadata from which to grab names

Returns:

list of names in the order in which they should be serialized